content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * ----------------------------
   * SimpleHistogramBinTests.java
   * ----------------------------
   * (C) Copyright 2005-2008, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 10-Jan-2005 : Version 1 (DG);
   *
   */
  
  package org.jfree.data.statistics;
  
  import org.junit.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotSame;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.assertTrue;
  
  /**
   * Tests for the {@link SimpleHistogramBin} class.
   */
  public class SimpleHistogramBinTest  {
  
  
  
  
  
      /**
       * Some checks for the accepts() method.
       */
      @Test
      public void testAccepts() {
          SimpleHistogramBin bin1 = new SimpleHistogramBin(1.0, 2.0);
          assertFalse(bin1.accepts(0.0));
          assertTrue(bin1.accepts(1.0));
          assertTrue(bin1.accepts(1.5));
          assertTrue(bin1.accepts(2.0));
          assertFalse(bin1.accepts(2.1));
          assertFalse(bin1.accepts(Double.NaN));
  
          SimpleHistogramBin bin2
              = new SimpleHistogramBin(1.0, 2.0, false, false);
          assertFalse(bin2.accepts(0.0));
          assertFalse(bin2.accepts(1.0));
          assertTrue(bin2.accepts(1.5));
          assertFalse(bin2.accepts(2.0));
          assertFalse(bin2.accepts(2.1));
          assertFalse(bin2.accepts(Double.NaN));
      }
  
      /**
       * Some checks for the overlapsWith() method.
       */
      @Test
      public void testOverlapsWidth() {
          SimpleHistogramBin b1 = new SimpleHistogramBin(1.0, 2.0);
          SimpleHistogramBin b2 = new SimpleHistogramBin(2.0, 3.0);
          SimpleHistogramBin b3 = new SimpleHistogramBin(3.0, 4.0);
          SimpleHistogramBin b4 = new SimpleHistogramBin(0.0, 5.0);
          SimpleHistogramBin b5 = new SimpleHistogramBin(2.0, 3.0, false, true);
          SimpleHistogramBin b6 = new SimpleHistogramBin(2.0, 3.0, true, false);
          assertTrue(b1.overlapsWith(b2));
          assertTrue(b2.overlapsWith(b1));
          assertFalse(b1.overlapsWith(b3));
          assertFalse(b3.overlapsWith(b1));
          assertTrue(b1.overlapsWith(b4));
          assertTrue(b4.overlapsWith(b1));
          assertFalse(b1.overlapsWith(b5));
          assertFalse(b5.overlapsWith(b1));
          assertTrue(b1.overlapsWith(b6));
          assertTrue(b6.overlapsWith(b1));
      }
  
      /**
       * Ensure that the equals() method can distinguish all fields.
       */
      @Test
      public void testEquals() {
          SimpleHistogramBin b1 = new SimpleHistogramBin(1.0, 2.0);
          SimpleHistogramBin b2 = new SimpleHistogramBin(1.0, 2.0);
          assertEquals(b1, b2);
          assertEquals(b2, b1);
  
          b1 = new SimpleHistogramBin(1.1, 2.0, true, true);
          assertFalse(b1.equals(b2));
          b2 = new SimpleHistogramBin(1.1, 2.0, true, true);
          assertEquals(b1, b2);
  
          b1 = new SimpleHistogramBin(1.1, 2.2, true, true);
          assertFalse(b1.equals(b2));
          b2 = new SimpleHistogramBin(1.1, 2.2, true, true);
          assertEquals(b1, b2);
  
          b1 = new SimpleHistogramBin(1.1, 2.2, false, true);
          assertFalse(b1.equals(b2));
          b2 = new SimpleHistogramBin(1.1, 2.2, false, true);
          assertEquals(b1, b2);
  
          b1 = new SimpleHistogramBin(1.1, 2.2, false, false);
          assertFalse(b1.equals(b2));
          b2 = new SimpleHistogramBin(1.1, 2.2, false, false);
          assertEquals(b1, b2);
  
          b1.setItemCount(99);
          assertFalse(b1.equals(b2));
          b2.setItemCount(99);
          assertEquals(b1, b2);
      }
  
      /**
       * Some checks for the clone() method.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          SimpleHistogramBin b1 = new SimpleHistogramBin(1.1, 2.2, false, true);
          b1.setItemCount(99);
          SimpleHistogramBin b2 = (SimpleHistogramBin) b1.clone();
          assertNotSame(b1, b2);
          assertSame(b1.getClass(), b2.getClass());
          assertEquals(b1, b2);
  
          // check that clone is independent of the original
          b2.setItemCount(111);
          assertFalse(b1.equals(b2));
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          SimpleHistogramBin b1 = new SimpleHistogramBin(1.0, 2.0, false, true);
          b1.setItemCount(123);
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(b1);
              out.close();
              ObjectInput in = new ObjectInputStream(
                  new ByteArrayInputStream(buffer.toByteArray())
              );
          SimpleHistogramBin b2 = (SimpleHistogramBin) in.readObject();
              in.close();
  
          assertEquals(b1, b2);
      }
  
  }
  